Home / 9,911.29-13,694.57-9,556.51

Finding the Fourth Proportional to 9,911.29, 13,694.57 and 9,556.51

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Solution

The fourth proportional to 9,911.29, 13,694.57 and 9,556.51 is: 13,204.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,911.29 : 13,694.57 = 9,556.51 : x
  2. Step 2: Convert to fraction form
    9,911.29/13,694.57 = 9,556.51/x
  3. Step 3: Cross multiply
    9,911.29x = 13,694.57 × 9,556.51
  4. Step 4: Simplify right side
    9,911.29x = 130,872,250.57
  5. Step 5: Solve for x
    x = 130,872,250.57/9,911.29
  6. Step 6: Final answer
    x = 13,204.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.